Tape University® | Building & Construction

Why can’t I use general purpose duct tape on HVAC ductwork?

By: Glenn Walter

August 23, 2017

Duct tape vs. HVAC tape

Duct tape is useful for repairing just about anything, but ironically, not for ducts.

Although the name might be misleading, general purpose duct tape was not designed for use in HVAC ductwork at all. In fact, if you tried using “regular” duct tape on your ductwork, it would more than likely fail. The adhesive used in general purpose duct tape is not built to withstand the conditions that HVAC-specific tapes are tested to perform in. Cold and hot temperatures can cause this type of duct tape to flag and fall off, leaving leaks in the system that can result in energy loss and expensive heating and cooling bills.

While general-purpose duct tape is not suitable for use on HVAC systems, there are some cloth duct tapes that are specifically designed for use in certain HVAC applications. These tapes are usually recognizable with packaging that indicates its approval for usage in HVAC applications, and if the tape is UL Listed, it often features a printed backing that lets inspectors know that it meets the code. The benefits to an HVAC-specific duct tape for applications such as seaming and sealing Class 1 Flex Duct include adhering to rough or dirty surfaces, being easy to tear, and offering high holding power.

Looking for a duct tape that is approved for use on HVAC? Visit Shurtape.com. For jobs that demand a foil or film HVAC tape, look here.

Glenn Walter

As a Regional Sales Manager for Shurtape Technologies, LLC, Glenn Walter manages the sales force for half the country in the HVAC and Electrical markets. As a product manager for over four years previous to his current role, Glenn was responsible for leading the product development and marketing support for the Building and Construction Tapes category. Glenn started working with Shurtape in 2012. Before that, he owned construction and framing companies with his brothers. The years he spent on the jobsite helped him create a pretty good foundation in the building and construction fields – so he's been there, done that. It gives him a unique perspective when it comes to tape. Glenn is a graduate of Cornell University with a Bachelor’s degree in Consumer Economics and Housing.

Related articles

Transform Your Packaging Process with Folded Edge® Technology

August 3, 2026

For many manufacturers, end-of-line packaging plays a crucial role in the production process. This stage—where products are sealed in secondary packaging like corrugated cartons— serves as a first line of defense to ensure goods arrive at their destination in excellent, saleable condition.

Read Article

The Role of PrimeAlert™ in High-Volume Case Sealing Operations

August 3, 2026

In high-volume manufacturing, you can’t afford to lose time, and yet, that’s exactly what happens when small carton sealing issues go undetected. A missed seal here. A tape break there. And suddenly, the entire packaging line is down, wasting time, products and resources.

Read Article

Rethinking End-of-Line Packaging to Cut Waste and Boost Sustainability

August 3, 2026

With most CPG operations, end-of-line packaging might not be the first thing people think of when it comes to sustainability, but it’s where the brand promise is secured. It’s what protects your product, and it’s the last touch before a product reaches the consumer.

Read Article